G502 features an advanced optical sensor for maximum tracking accuracy, customizable RGB lighting, custom game profiles, from 200 up to 12,000 DPI, and repositionable weights. Troubleshooting steps- • Unplug and re-plug the USB cable to ensure a good connection. • Try the mouse USB cable in another USB port on the computer. • Use only a powered USB port. • Try rebooting the computer. • If possible, test the mouse on another computer.